It is a special week for Katherine LaNasa.

On Monday, August 18, the instant-favorite The Pitt star celebrated her 13th anniversary with her husband, the star of yet another fan-favorite show, Melrose Place's Grant Show .

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The couple tied the knot in 2012 after first crossing paths in 2006, and share one daughter, Eloise, who is 11.

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In honor of their special day, Katherine took to Instagram and shared a round of photos of the two, starting off with a black-and-white selfie.

More black-and-white photos followed, including some of them dressed up in cocktail attire, walking around Los Angeles, at a bowling alley, and more.

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